<template>
    <div>
          <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
             <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
            <div id="main" style="width: 750px;height:400px;"></div>
        </el-card>

    </div>
</template>

<script>
// 1导入echarts
import echarts from 'echarts'
import _ from 'lodash'
export default {
    data(){
        return {
            // 需要合并
            options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
        }
    },
    created(){},
    // 此时页面上的元素已经渲染完毕
    async mounted(){
     // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById('main'));

    const {data:res}=await this.$http.get(`reports/type/typeId`)
    if(res.meta.status!==200){
        return this.$message.error("获取数据失败")
    }
    //   4准备数据
    const result= _.merge(res.data,this.options)
    //   5.展示数据
    myChart.setOption(result)

    },
    methods:{}
}
</script>
<style lang="">
    
</style>